45861904 has 30 divisors (see below), whose sum is σ = 97673870. Its totient is φ = 20845440.

The previous prime is 45861889. The next prime is 45861913. The reversal of 45861904 is 40916854.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26501904 + 19360000 = 5148^2 + 4400^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9909 + ... + 13780.

Almost surely, 2^45861904 is an apocalyptic number.

45861904 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

45861904 is an abundant number, since it is smaller than the sum of its proper divisors (51811966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45861904 is a wasteful number, since it uses less digits than its factorization.

45861904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23719 (or 23702 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 45861904 is about 6772.1417587053. The cubic root of 45861904 is about 357.9458736559.

The spelling of 45861904 in words is "forty-five million, eight hundred sixty-one thousand, nine hundred four".